MSI · Motherboard

MSI B850 MLG EDITION

B850 · AM5 · ATX · DDR5

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Chipset B850
Form factor ATX
Memory slots 4
Socket AM5
Memory type DDR5

MSI B850 MLG EDITION is an ATX and B850 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2025.

Released: 2025-10-22
Socket: AM5

Specifications

Key specs

Chipset: B850
Form factor: ATX
Memory slots: 4
Socket: AM5
Memory type: DDR5
Released: 2025-10-22
Part number: B850 MLG EDITION

Processor

Processor manufacturer: AMD
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets: Socket AM5

Memory

Supported memory types: DDR5-SDRAM
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: Non-ECC
Supported memory clock speeds: 6400,8400 MHz
Supported memory clock speed (max): 8400 MHz

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Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, Micro SATA III
RAID support: Yes
RAID levels: 0, 1, 10

Internal I/O

CPU fan connector: Yes
Number of water pump connectors: 1
RGB LED pin header: Yes
Number of RGB LED pin headers: 3

Rear panel I/O ports

USB 2.0 ports quantity: 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 3
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1
HDMI version: 2.1

Network

Ethernet LAN: Yes
Ethernet interface type: 5 Gigabit Ethernet
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 7 (802.11be)
Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Bluetooth: Yes
Bluetooth version: 5.4

Features

Motherboard chipset: AMD B850
Audio chip: Realtek ALC4080
Audio output channels: 7.1 channels
Product colour: Multicolour
Component for: PC
Motherboard form factor: ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 11 x64

Expansion slots

PCI Express x16 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
PCI Express x16 (Gen 5.x) slots: 1
Number of M.2 (M) slots: 4
1st M.2 highest PCI Express generation: 5.0
2nd M.2 highest PCI Express generation: 5.0
3rd M.2 highest PCI Express generation: 4.0
4th M.2 highest PCI Express generation: 4.0

Weight & dimensions

Width: 243.8 mm
Depth: 304.8 mm

Technical details

Legal guarantee: 3 year(s)

Check the manufacturer's page before buying.

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Compatible processors

AM5 socket

AMD Ryzen 7 9800X3D8 cores · 16 threads
AMD Ryzen 5 76006 cores · 12 threads
AMD Ryzen 7 7800X3D8 cores · 16 threads
AMD Ryzen 5 9600X6 cores · 12 threads
AMD Ryzen 5 7500F6 cores · 12 threads
AMD Ryzen 5 8600G6 cores · 12 threads
AMD Ryzen 9 9950X16 cores · 32 threads
AMD Ryzen 7 77008 cores · 16 threads

Compatible memory

DDR5

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Urbane V RGB32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6000MHz CL28 DDR5 GAMING RAM MODULE 28-36-36-76 1.4V CRAS V RGB WHITE KIT32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Klevv Fit V16 GB (1x16) · DDR5
Kingston 16GB 5600MT/s DDR5 CL40 DIMM FURY Beast White XMP16 GB (1x16) · DDR5
VeloxStor 7011-DDR, 16 GB, DDR5, 4800 MT/s, 288-pin UDIMM16 GB (1x16) · DDR5

About this product

CROSS THE RIFT, LEGENDS UNFOLD

Loong: Nia is a captivating, wholly original character created by MSI. This product incorporates striking red accents inspired by her passionate and curious personality, giving gamers a bold, distinctive style that stands out from the crowd. Extended Heatsink Extended Heatsink enlarges the surface of heat dissipation, ensuring even high-end processors to run in full speed. 7W/mK Thermal Pad & Additional Choke Pad High quality 7W/mK MOSFET thermal pads and extra choke thermal pads ensure all cores running in high performance. Heavy Plated VRM Heatsink The VRM heatsink covers the upper MOS and helps dissipate the heat. M.2 Shield Frozr Keeps M.2 SSDs safe while preventing throttling, making them run faster. Enlarged Chipset Heatsink The enlarged heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.

14+2+1 DUET RAIL POWER SYSTEM

Unleash and sustain the maximum performance with a flagship VRM design built with a total of 14+2+1 Duet Rail Power System. Combining dual power connectors and 80A Smart Power Stage, B850 MLG EDITION is ready for the challenge of high-end processors.

Datasheet (PDF)